Wiper blade, in particular for a motor vehicle

A wiper blade (10), having a wiping strip (16) which is mounted between a first spring bar portion (34) and a second spring bar portion (36) by a fastening portion (24) and comprises a substantially triangular lip portion (18), wherein a cavity portion (22) is provided between the fastening portion (24) and the lip portion (18), wherein a pair of dampening means (52) are arranged on a dampening portion (50) between the cavity portion (22) and the fastening portion (24), wherein each of the dampening means (52) is a wing or flap extending, with a free end, from an upper wall (42) of the cavity portion (22), wherein the upper wall (42) of the cavity portion (22) also includes shoulders (54), wherein the wings or flaps include a first wing or flap positioned above and spaced from a first one of the shoulders (54), and a second wing or flap positioned above and space from a second one of the shoulders (54), wherein each of the wings or flaps thickens moving toward the free end, wherein the fastening portion (24) includes an upper bar (26) in a transverse direction with respect to an axis of symmetry S of the wiper strip, wherein the cavity portion (22) has an outer width that is greater than a width of the upper bar (26), wherein the first wing or flap is separated from the first one of the shoulders (54) by a first groove and the second wing or flap is separated from the second one of the shoulders (54) by a second groove, and wherein a distance between bottoms of the first groove and the second groove is greater than the width of the upper bar (26) in the transverse direction.